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发明名称
OUTER SIDE SEALING OIL CONTROL RING
摘要
申请公布号
US3481611(A)
申请公布日期
1969.12.02
申请号
USD3481611
申请日期
1968.03.05
申请人
RAMSEY CORP.
发明人
PHILIP G. STRATTON
分类号
F16J9/20;(IPC1-7):F16J9/06;F16J9/12
主分类号
F16J9/20
代理机构
代理人
主权项
地址
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